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Mining |
Record 76 to 100 of 112 |
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Mining Drill Ingersoll-Sergeant mining drill ... |
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Mining, Method of Older methods of mining often included the necessity of the miner lying in a rigidly plane position. Old manner of work was done by hand. ... |
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Mining, Salt A salt mine is an operation involved in the extraction of salt from rock salt or halite. The manufacture of salt in Mason City, West Virginia was started by Albert Edward Smith in 1880. ... |
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Nasmyth's Hammer "Cave's modification of Nasmyth's Hammer." — The Encyclopedia Britannica, 1893... |
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Newcomen's engine "Machine used to take water out of mines." -Comstock 1850... |
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Newcomens Engine "The simple outline of the atmospheric engine. Its mode of operation is as follows. Steam is admitted from the boiler into the cylinder, through the tube l, by means of a regulating cock, e, which i... |
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Oil Pump Typical working barrel of a plunger pump in of an oil well.... |
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Oil Well and Tank Oil is obtained by boring. The wells so produced are similar to artesian wells, except in the material discharged. In many instances the oil issues in powerful streams, which continue to flow for cons... |
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Oil Wells and Tanks Oil wells and tanks for mining petroleum.... |
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Parting Vessel "The parting vessels are of porcelain which, to protect them against fracture by irregular heating, are covered with wire netting and plastered over with a mixture of clay and smithy scales. They are ... |
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Pernot Furnace "Pernot and Ponsard Furnaces and Allied Appliances. The pernot furnace as applied to the steel making differs in no material respect from the Pernot puddling furnace; it is substantially a Siemens-Ma... |
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Pick A common pick used in excavation. ... |
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Pick, Miner's A mining pick used for breaking hard metals. ... |
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Pick, Push A common push pick with a crutch handle. ... |
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Pickax A pick with a point at one end, a transverse edge or blade at the other, and a handle inserted at the middle.... |
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Pickax A machine used to separate cotton from dirt, twigs, etc. ... |
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Pistol Pipe Stove "The "pistol pipe" stove, still largely used, chiefly differs from this in having the limbs of the U tube closely adjacent, so as to consist in fact of a single tube with the partition D in the center... |
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Proving Mineral Field "The principle of proving a mineral field by boring is illustrated in [the illustration], which represents a line direct from the dip to the rise of the field, the inclination of the strata being one ... |
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Puddling Furnace "The general arrangement of a puddling furnace; a is the charging door for the fuel, d the bridge with an air course to cool it, c the bed supported on iron plates with air courses under them, f the e... |
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Puddling Furnace "The general arrangement of a puddling furnace; a is the charging door for the fuel, d the bridge with an air course to cool it, c the bed supported on iron plates with air courses under them, f the e... |
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Pyrenean Forge "The Pyrenean forge essentially consists of a silicious stone bottom (covered over with a "brasque" of charcoal powder rammed down), with a tuyere inclining downward." — The Encyclopedia Britan... |
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Refinery "The term "refining," although in strictness applicable to all methods by which impure iron is purified, is in practice restricted to one particular operation practised as a preliminary stage in the p... |
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Refinery "The term "refining," although in strictness applicable to all methods by which impure iron is purified, is in practice restricted to one particular operation practised as a preliminary stage in the p... |
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Refinery Siphon Refinery Siphon and Alembic.... |
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Revolving Squeezer "Brown's revolving squeezer, the ball being made to pass between two rotating cams which flatten it out, and subsequently between the second of these and a third which carries the operation further; i... |
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